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stacktrace: delect KASAN warning

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2024-10-26T17:47:08.370644+08:00 M1-MUSE-BOOK kernel: BUG: KASAN: stack-out-of-bounds in walk_stackframe+0x27a/0x2ec
2024-10-26T17:47:08.370735+08:00 M1-MUSE-BOOK kernel: Read of size 8 at addr ffffffc8121f3b88 by task gnome-system-mo/29287
2024-10-26T17:47:08.370758+08:00 M1-MUSE-BOOK kernel:
2024-10-26T17:47:08.370770+08:00 M1-MUSE-BOOK kernel: CPU: 1 PID: 29287 Comm: gnome-system-mo Tainted: G        W          6.6.36 #20241025175156
2024-10-26T17:47:08.370782+08:00 M1-MUSE-BOOK kernel: Hardware name: M1-MUSE-BOOK (DT)
2024-10-26T17:47:08.370795+08:00 M1-MUSE-BOOK kernel: Call Trace:
2024-10-26T17:47:08.370806+08:00 M1-MUSE-BOOK kernel: [<ffffffff8000cd28>] dump_backtrace+0x1c/0x24
2024-10-26T17:47:08.370812+08:00 M1-MUSE-BOOK kernel: [<ffffffff82fa48a8>] show_stack+0x2c/0x38
2024-10-26T17:47:08.370820+08:00 M1-MUSE-BOOK kernel: [<ffffffff82fe1d6e>] dump_stack_lvl+0x3c/0x54
2024-10-26T17:47:08.370828+08:00 M1-MUSE-BOOK kernel: [<ffffffff82fac564>] print_report+0x19e/0x4b4
2024-10-26T17:47:08.370838+08:00 M1-MUSE-BOOK kernel: [<ffffffff8062b218>] kasan_report+0xbc/0x170
2024-10-26T17:47:08.370847+08:00 M1-MUSE-BOOK kernel: [<ffffffff8062cb3e>] __asan_report_load8_noabort+0x12/0x1a
2024-10-26T17:47:08.370853+08:00 M1-MUSE-BOOK kernel: [<ffffffff8000cc42>] walk_stackframe+0x27a/0x2ec
2024-10-26T17:47:08.370861+08:00 M1-MUSE-BOOK kernel: [<ffffffff8000ce6c>] __get_wchan+0x13c/0x1c2
2024-10-26T17:47:08.370871+08:00 M1-MUSE-BOOK kernel: [<ffffffff800d905c>] get_wchan+0x86/0xd6
2024-10-26T17:47:08.370880+08:00 M1-MUSE-BOOK kernel: [<ffffffff808124e0>] proc_pid_wchan+0xea/0x112
2024-10-26T17:47:08.370889+08:00 M1-MUSE-BOOK kernel: [<ffffffff808146d4>] proc_single_show+0xdc/0x1b0
2024-10-26T17:47:08.370895+08:00 M1-MUSE-BOOK kernel: [<ffffffff8070a1b0>] seq_read_iter+0x26c/0xcf4
2024-10-26T17:47:08.370901+08:00 M1-MUSE-BOOK kernel: [<ffffffff8070ad58>] seq_read+0x120/0x19c
2024-10-26T17:47:08.370909+08:00 M1-MUSE-BOOK kernel: [<ffffffff8069467a>] vfs_read+0x20c/0x644
2024-10-26T17:47:08.370917+08:00 M1-MUSE-BOOK kernel: [<ffffffff8069646c>] ksys_read+0xe2/0x1aa
2024-10-26T17:47:08.370924+08:00 M1-MUSE-BOOK kernel: [<ffffffff8069659a>] __riscv_sys_read+0x66/0x8c
2024-10-26T17:47:08.370931+08:00 M1-MUSE-BOOK kernel: [<ffffffff8000bf26>] syscall_handler+0x64/0xf0
2024-10-26T17:47:08.370938+08:00 M1-MUSE-BOOK kernel: [<ffffffff82fe2460>] do_trap_ecall_u+0x9c/0x9e
2024-10-26T17:47:08.370944+08:00 M1-MUSE-BOOK kernel: [<ffffffff83001df6>] ret_from_exception+0x0/0x6e
2024-10-26T17:47:08.370951+08:00 M1-MUSE-BOOK kernel:
2024-10-26T17:47:08.370959+08:00 M1-MUSE-BOOK kernel: The buggy address belongs to the virtual mapping at
2024-10-26T17:47:08.370965+08:00 M1-MUSE-BOOK kernel:  [ffffffc8121f0000, ffffffc8121f5000) created by:
2024-10-26T17:47:08.370973+08:00 M1-MUSE-BOOK kernel:  kernel_clone+0xaa/0x8ac
2024-10-26T17:47:08.370980+08:00 M1-MUSE-BOOK kernel:
2024-10-26T17:47:08.370987+08:00 M1-MUSE-BOOK kernel: The buggy address belongs to the physical page:
2024-10-26T17:47:08.370995+08:00 M1-MUSE-BOOK kernel: page:0000000053006164 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x222afe
2024-10-26T17:47:08.371003+08:00 M1-MUSE-BOOK kernel: memcg:ffffffd926967782
2024-10-26T17:47:08.371184+08:00 M1-MUSE-BOOK kernel: flags: 0x4000000000000000(zone=1)
2024-10-26T17:47:08.371245+08:00 M1-MUSE-BOOK kernel: page_type: 0xffffffff()
2024-10-26T17:47:08.371269+08:00 M1-MUSE-BOOK kernel: raw: 4000000000000000 0000000000000000 0000000000000122 0000000000000000
2024-10-26T17:47:08.371281+08:00 M1-MUSE-BOOK kernel: raw: 0000000000000000 0000000000000000 00000001ffffffff ffffffd926967782
2024-10-26T17:47:08.371293+08:00 M1-MUSE-BOOK kernel: page dumped because: kasan: bad access detected
2024-10-26T17:47:08.371301+08:00 M1-MUSE-BOOK kernel:
2024-10-26T17:47:08.371308+08:00 M1-MUSE-BOOK kernel: Memory state around the buggy address:
2024-10-26T17:47:08.371315+08:00 M1-MUSE-BOOK kernel:  ffffffc8121f3a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
2024-10-26T17:47:08.371321+08:00 M1-MUSE-BOOK kernel:  ffffffc8121f3b00: f1 f1 f1 f1 00 f2 f2 f2 00 00 00 00 00 00 00 00
2024-10-26T17:47:08.371327+08:00 M1-MUSE-BOOK kernel: >ffffffc8121f3b80: 00 f2 f2 f2 f2 f2 00 00 00 00 00 00 00 00 00 00
2024-10-26T17:47:08.371333+08:00 M1-MUSE-BOOK kernel:                       ^
2024-10-26T17:47:08.371341+08:00 M1-MUSE-BOOK kernel:  ffffffc8121f3c00: 00 00 00 00 f3 f3 f3 f3 00 00 00 00 00 00 00 00
2024-10-26T17:47:08.371348+08:00 M1-MUSE-BOOK kernel:  ffffffc8121f3c80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
2024-10-26T17:47:08.371354+08:00 M1-MUSE-BOOK kernel: ==================================================================

Change-Id: If6d382f0551ec1b5f15c91fdb5e0e568bc674b4d
Signed-off-by: lijuan <juan.li@spacemit.com>
This commit is contained in:
lijuan 2024-10-30 15:01:25 +08:00 • committed by zhangmeng
parent dd3904c0cf
commit cce016473f
1 changed files with 1 additions and 1 deletions
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2
arch/riscv/kernel/stacktrace.c
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@ -28,7 +28,7 @@ static inline int fp_is_valid(unsigned long fp, unsigned long sp)
return !(fp < low || fp > high || fp & 0x07);
}
void notrace walk_stackframe(struct task_struct *task, struct pt_regs *regs,
void notrace __no_sanitize_address walk_stackframe(struct task_struct *task, struct pt_regs *regs,
bool (*fn)(void *, unsigned long), void *arg)
{
unsigned long fp, sp, pc;